def test_next_builder(self, setup, test_data):
builder = Builder(secret=test_data.cold_secret, sequence=1, horizon_uri=setup.horizon_endpoint_uri,
network=setup.network) \
.append_manage_data_op("hello", "world")
builder.sign()
next_builder = builder.next_builder()
assert next_builder.keypair == builder.keypair
assert next_builder.horizon.horizon_uri == builder.horizon.horizon_uri
assert next_builder.address == builder.address
assert next_builder.network == builder.network
assert next_builder.fee == builder.fee
assert next_builder.sequence == builder.sequence + 1
